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Finding the Fourth Proportional to 267,280.17, 400,915.97 and 64,877.94

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Solution

The fourth proportional to 267,280.17, 400,915.97 and 64,877.94 is: 97,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,280.17 : 400,915.97 = 64,877.94 : x
  2. Step 2: Convert to fraction form
    267,280.17/400,915.97 = 64,877.94/x
  3. Step 3: Cross multiply
    267,280.17x = 400,915.97 × 64,877.94
  4. Step 4: Simplify right side
    267,280.17x = 26,010,601,922.31
  5. Step 5: Solve for x
    x = 26,010,601,922.31/267,280.17
  6. Step 6: Final answer
    x = 97,315.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.